Truck bed



FIG. 1 is a top perspective view of a truck bed, showing my new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom perspective view of FIG. 2;

FIG. 4 is a rear elevational view of FIG. 2;

FIG. 5 is a front elevational view of FIG. 2;

FIG. 6 is a left-side elevational view of FIG. 2, the right-side elevational view being a mirror image thereof;

FIG. 7 is a top plan view of FIG. 2; and,

FIG. 8 is a bottom plan view of FIG. 2.

The broken lines showing a truck and wheels in FIG. 1 depict environmental matter and form no part of the claimed design. The remaining broken lines represent portions of the truck bed that form no part of the claimed design. 

CLAIM The ornamental design for a truck bed, as shown and described. 